API 1104 Flashcards
For procedures specification of fillet welds.
A) only the size of The fillet weld shall be shown
B) both the shape and size will shall be shown
B) both the shape and size weld shall be shown
When qualifying a test procedure using the ultrasonic test method
A) only the polls echo tech nique shall be used
B) radiograph shall be made of welds
B) radiographs shall be made of welds
Shallow crater cracks or star cracks are the result of:
A) Weld metal contraction during solidification
B) pipe being moved before will metal has solidified
A) Weld metal contraction during solidification
When re-examining a indication made with the liquid penetrant test the surface:
A) shall never be ground before a PT test
B) May be ground
B) May be ground
Root bead segments used in conjunction with external clamps shall be uniformly spaced around the circumference of the pipe and she’ll have a aggregate length of at least:
A) 25% of the pipe circumference
B) 50% of pipe circumference
B) 50% of pipe circumference
Incomplete fusion due to cold lap (IFD) is defined as:
A) Weld metal not melted in to the joint face.
B) A discontinuity between two adjacent weld beads or between the weld metal and base metal that is not open to the surface
B) A discontinuity between two adjacent weld beads or between the weld metal and base metal that is not open to the surface
When qualifying a welding procedure the maximum time between the completion of the root bead and the start of the second bead
A) shall not exceed one minute
B) shall be designated
B) shall be designated
Tensile strength test specimen
shall be:
A) 7 inches long and 1 inch wide
B) 9 inches long and 1 inch wide
B) 9 inches long and 1 inch wide
When testing of parent metal using the ultrasonic testing technique manual compression wave shall be preformed
With the second backwall it go from the reference standard adjusted to at least:
A) 50% full screen height
B) 80% full screen height
B) 80% full screen height
Arc welding with equipment that controls only the filler metal feed with the advance of the welding manually controlled best describes:
A) Row welding
B) automatic welding
C) semiautomatic welding
C) Semiautomatic welding
Typical volumemetric indications may be caused by A) internal concavity B) burn through C) isolated slag inclusions D) porosity E) all of the above
E) all of the above
Which in NDT techniques have been shown to be affective at detecting hydrogen cracks at the tow of sleeves A) RT and PT B) RT and MT C) UT and PT D) UT and MT
D) UT and MT
When radiograph is being used in order that the proper weld and any imperfections in the weld can be quickly and accurately located Images shall be clearly identified by: A) lead numbers B) lead letters C) markers D) all of the above
D) all of the above…
When previous Nick break testing experience indicates that failures through the pipe can be expected the external reinforcement;
A) maybe notched more than 1/8 inch
B) May be notched transverse 1/16 inch deep measured from the original weld surface.
C) May be notched 1/16 inch on either side at the center of the weld
May be notch transverse 1/16 inch deep measured from the original weld surface
As a minimum the procedure for radiograph using image media other than film shall include all of the following except
A) The image storage system used
B) intensifying screens
C) heat shields
B) intensifying screens
All position Welds shall be made with the parts to be joined.
A) road to maintain welding at or near the top of the pipe
B) cleaned with power tools only
C) secured against movement
C) secured against movement
The frequency of inspection shall be as specified by
A) The inspector
B) The CWI
C) The company
C) The company
A subsurface imperfection between the first inside pass and the first outside past that is caused by in adequate penetration the vertical land faces is referred to as:
A) incomplete fusion
B) incomplete penetration
C) in adequate cross penetration
C) in adequate cross penetration
When preparing side bend test specimen for pipe wall thickness greater than .500 inch:
A) The weld reinforcement should not be removed on either side of specimen
B) The weld reinforcement shall be removed from both faces flush with the surface
B) The weld reinforcement shall be removed from both faces flush with the surface…
The welding operator may be required to re-qualify if;
A) if they have not welded in the past six months
B) if a question arises about their competence
B) if a question arises about their competence
When using a welding procedure for mechanized welding with filler metal additions..which of the following is a
Essential variable requiring requalifications
A) A change in welders
B) A change in the number of welders
C) A change in the size of the filler metal wire
C) A change in the size of the filler metal wire
When establishing that the refracted angle and velocity are sufficiently accurate the technician should verify that the outside notch peak is
A) 50% of DAC
B) 50% of full-screen height
C) at or near zero depth reading
C) at or near zero depth reading
Transverse indications other thing cracks shall be considered volume metric which of the following shall be used to designate all reported transverse indications
A) TI
B) VTI
C) T
C) T
Film or other imaging media shall be processed handled in storage so that the images or interpretable for at least three years after they are produced
A) is required by API 1104
B) is in accordance with a AWS D1.1
C) only when requested by the company
C) only when requested by the company
The effects of environment on Fatigue crack growth external to the pipe at girth welds are normally migrated by A) A increase of H2 S B) external coating C) A increase in CO2 D) cathodic protection E) both B and D above
E) both B and D above
When qualifying a test procedure
Using the ultrasonic test method:
A) only the pulse-echo technique shall be used
B) no detail of temperature are necessary
C) radiographs shall be made of welds
C) radiographs shall be made of welds
The acronym TCG stands for; UT testing A) time conditions graduate B) temperature cooling gauge C) time corrected gain
C) time corrected gain
What topics does APR 1104 cover.
A Gas welding of but welds B Arc welding of fillet and socket welds C welding carbon and low alloy steel piping D welding petroleum pipelines E all of the above
E all the above
Which nondestructive testing method is specified and API 1104
A) Nick break test B) Bend test for butt welds only C) radiographic examination D) metallurgical evaluation E) all of the above
C. Radiographic examination
Section 1
SI units are acceptable with API 1104
True as long as each system is used independent of one another
Section 1
When is it permissible to join pipe using a process not covered under API 1104
A) when a procedure has been established for its use
B) only those processes site in section 1 may be used
C) when approved by the company
D) when approved by the committee
E) both a and D above
Both A and D above
A) when a procedure has been established for shoes
D) when approved by the committee
Section 1
Welds in API 1104 may be produced by
A. Position welding
B. Position or roll welding
C. Position roll or a combination of both
C. Position roll or a combination of both
Section 1
Approved welding processes may be used to weld
A) New construction
B) in-service welding
C) structural non-tubular applications
D) both A and B
D) Both A and B above
A) New construction
B) in-service welding
Section 2
Which of the reference code is published by a foreign society
A) ASTM E 164
B) API spec 5L
C) BSI BS 7448
C) BSI BS 7448
Which organization provides most of the filler metal specifications for API 1104
A) API
B) ASTM
C) AWS
C) AWS
Which organization publishes most of the in NDE specification sighted in
API 1104
A) API
B) ASTM
C) AWS
B) ASTM
Which organization publishes a document on personnel certification in NDE used by API 1104
A) API
B) ASNT
C) AWS
B) ASNT
Which of the following numbers represent a specification number for Sulfide Stress Cracking Resistance
Metallic for Oil Field Equipment
A) MR0175
B) E71t-1
C) E6010
A) MR0175
The term that best describes irregularly
in a weld is.
A) defect
B) imperfection
C) indication
D) concavity
B) imperfection
API 1104 identifies which of the following organization’s standards for definition of welding terms.
A) API
B) ASNT
C) AWS
D) BSI
C) AWS
What process or application uses equipment that controls only the filler metal feed.
A) Roll welding
B) Submerged arc welding
C) semiautomatic welding
C) semiautomatic welding
The process where the pipe remains
Stationary during welding is called
A) automatic welding
B) position welding
C) roll welding
B) position welding
What does the term roll welding mean.
A) welding with an all position welding
electrode only
B) welding is carried out with pipe assembly rotated
C) Applies only when welding is done with a semiautomatic process
B) welding is carried out with pipe assembly rotated
The term that best describes welding without manual manipulation of the arc other than guiding or tracking is
A) mechanized welding
B) semi automatic welding
C) automatic welding
D) manual welding
C) automatic welding
Section 3
Which of the following specification numbers represent the
document API 1104 refers to definitions
A) ASNT A5.1
B) ISO 1027
C) AWS A3.2
C) AWS A3.2
Section 4
API 1104 applies to welding a pipe that conforms to which specification
A) AWS A5.28 B) BSI BS 7448 C) API specification 5L D) Any applicable ASTM specifications E) Both A and D
E) Both A and D
A) AWS A5.28
D) Any applicable ASTM specifications
Once opened filler metals and fluxes shall be
A) stored in any convenient container
B) protected from deterioration or damage
C) kept in the original manufacturers open shipping containers
B) protected from deterioration or damage
What determines the tip size for gas welding equipment A) manufactures instructions B) trial and error C) welding procedure D) pressure of the gas
C) welding procedure
Shielding gas is used to shield the arc should never be
A) and inert type gas
B) gas mixtures
C) Field intermixed in their containers
D) kept in containers in which they are supplied
C) Field intermixed in their containers
Filler metals that are coded shall be protected from…
Excessive changes in moisture
Excessive changes in moisture
When is it permissible to use a filler metal not conforming to the specifications listed in API 1104
A) when approved by the company
B) what approved by the committee
C) when the WPS involved with it use is qualified
D) only filler metals with specification numbers listed in table 1 maybe used
C) when the WPS involved with it use is qualified
Section 4
When is it permissible to use base materials that are not manufactured in accordance with the specifications listed in API 1104
A) when the material is approved by the engineer
B) when the material has chemical and mechanical properties that comply with and ASTM or API 5L specification
C) it is not permissible to use a base metal that does not have an approved specification number in accordance with section 4
D) when the material is qualified in a WPS
B) when the material has chemical and mechanical properties that comply with and ASTM or API 5L specification
Section 5
When preparing a stencil specimen for testing
A) Cut a 1/8 inch notch into either side of weld
B) Machine or grind all reinforcements smooth
C) Cut a transverse not into the weld
D) well reinforcement should not be removed on either side
D) well reinforcement should not be removed on either side
Section 5
when performing a Nick break test the exposed area of fracture shall be at least how wide
A) 1/2 in
B) 3/4 in
C) 5/8 in
B) 3/4 in
Section 5
Carbon steel electrodes for flux cored arc welding can be found in what specification
A) AWS A3.0
B) AWS A5.20
C) API 5L
B) AWS A5.20
Section 6
A welder shall be requalified whenever which of the following occurs
A) A change from vertical uphill to vertical downhill
B) A change of filler metal classifications from group 1 to group 3
C) A change from one process to another
D) A change from a V to a U groove
E) all of the above
E) all of the above
Which of the following is not specified as a requirement for visual weld inspection
A) free from cracks
B) free from penetration
C) free of burn through
D) filler wire protrudes less than 1/8 inch into inside of pipe
D) filler wire protrudes less than 1/8 inch into inside of pipe
For multiple qualification a welder shall be required to
A) make a butt weld in the fixed position
B) layout cut fit and weld a full-size branch on pipe connection
C) where out in the 6G position only
A) make a butt weld in the fixed position
B) layout,cut ,fit and weld a full-size branch on pipe connection
When mechanized or semi automatic welding is used filler wire protruding into the inside of the pipe
A) is not permitted
B) length of protrusion shall not exceed 1/16 inch
C) shall be kept to a minimum
C) shall be kept to a minimum
For position welding the maximum face reinforcement shall not exceed
A) 1/16 maximum
B) 1/8 maximum
C) 1/16 minimum
A) 1/16 maximum
Wen pipe is welded above ground the working clearance around the pipe should not be less than
A) 450mm B) 400mm C) 18 in D) 16 in E) B and D
E) B and D
B) 400mm
D) 16 in
Pipe ends of the same thickness should not be offset more than
A) 1/16 in
B) 1/32 in
C) 1/8 in
D) 1/4 in
C) 1/8 in
When is it required to remove surface porosity clusters,bead starts and high points before welding
A) when using semi automatic or mechanize welding processes
B) when using manual and semi automatic processes
C) with all new construction and in-service welding
A) when using semi automatic or mechanize welding processes
Who determines the frequency of inspection A) The welder B) The chief inspector C) The quality assurance head D) The company E) The contractor
D) The company
What should be included in the documentation of qualification for inspection personnel A) education and experience B) training C) result of qualification exam D) all of the above
D) all of the above
A) education and experience
B) training
C) result of qualification exam
How often should a levels 1and 2 NDT personnel be recertified
A) every six months
B) every year
C) at least every 2 years
D) at least every 3 years
D) at least every 3 years
Which of the following destructive and nondestructive testing methods may not be used
A) radiographic inspection
B) Visual inspection
C) trepanning
D) bend specimens
C) trepanning
How often must level III nondestructive testing personnel be recertified A) at least every year B) at least every two years C) at least every three years D) at least every four years E) at least every five years
E) at least every five years
What is a ESI
Elongated Slag Inclusion
Continues or broken slag lines or wagon tracks that are usually found in the fusion zone…
Slag Inclusion is defined
a non metallic solid
Entrapped in the weld metal or between the weld metal and parent metal
Section 9 Incomplete fusion shall be considered a defect when the length of an individual indication exceeds A) 1/8 in B) 1/4 in C) 1.0 in
C) 1.0 in
Porosity is ? A) evidence of gas trap in cooling metal B) generally a spherical indication C) is considered a defect if I Singapore is larger than 1/8 inch D) types of P,CP,HB E) all of the above
Porosity is ? A) evidence of gas trap in cooling metal B) generally a spherical indication C) is considered a defect if I Singapore is larger than 1/8 inch D) types of P,CP,HB E) all of the above
Which of the following applies to an ESI
Elongated Slag Inclusion
A) A non-metallic solid trapped in the weld metal
B) broken slag lines
C) an indication usually found in the fusion zone
E) all of the above
Which of the following applies to an ESI
Elongated Slag Inclusion
A) A non-metallic solid trapped in the weld metal
B) broken slag lines
C) an indication usually found in the fusion zone
E) all of the above
What are the results when I portion of the Root Bead has been blown into the pipe
A) porosity
B) undercut
C) burn through
C) burn through
Which of the following applies to a star crack A) caused by vibrations during welding B) caused by metal contractions during solidification C) caused by inclusions
B) caused by metal contractions during solidification
The maximum length of a crater crack is considered a defect if it is A) 1/8 inch B) 5/32 inch C) no cracks are allowed D) 1/2 the width of the bead
B) 5/32 inch
Linear indications are those indications whose
A) Length is more than three times it’s width
B) Length is equal to its width
C) Length is less than it’s width
A) Length is more than three times it’s width
Repaired welds shall
A) meet the standards of acceptability
of Section 9
B) Be examined by the company representative
C) they submitted for radiographic inspection
A) meet the standards of acceptability
of Section 9
Defects other than cracks may be repaired
A) with prior company authorization if the defect is in the root
B) with prior company authorization if the defect is in the filler beads
Defects other than cracks may be repaired
A) with prior company authorization if the defect is in the root
B) with prior company authorization if the defect is in the filler beads